First slide

Vectors

Question

If the resultant of n forces of different magnitudes acting at a point is zero, then the minimum value of n is

Moderate

A

1
B

2
C

3
D

4

Solution

If vectors are of equal magnitude then two vectors can give zero resultant, if they works in opposite direction. But if the vectors are of different magnitudes then minimum three vectors are required to give zero resultant

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